package com.ax.api.config;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;

/**
 * 处理ajax跨域问题
 * @author MR.ZHENG
 * @date 2016/08/08
 *
 */
@Component
public class OriginFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }
    @Override
    public void doFilter(ServletRequest req, ServletResponse res,
            FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        HttpServletRequest request = (HttpServletRequest) req;
    //  response.setHeader("Access-Control-Allow-Origin", "http://localhost:2101");
        response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));//处理跨域
        response.setHeader("Access-Control-Allow-Credentials", "true");//表示是否允许发送Cookie
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "x-requested-with");
        chain.doFilter(req, res);
    }
    @Override
    public void destroy() {

    }

}